Class: RDF::N3::Algebra::Time::GmTime
- Inherits:
-
ResourceOperator
- Object
- SPARQL::Algebra::Operator::Binary
- ResourceOperator
- RDF::N3::Algebra::Time::GmTime
- Defined in:
- lib/rdf/n3/algebra/time/gm_time.rb
Overview
For a date-time format string, its time:gmtime is the result of formatting the Universal Time of processing in the format given. If the format string has zero length, then the ISOdate standard format is used. [ is time:gmtime of ""]
the therefore the current date time. It will end with āZā as a timezone code.
Constant Summary collapse
Instance Attribute Summary
Attributes included from Enumerable
Instance Method Summary collapse
-
#resolve(resource, position:) ⇒ RDF::Term
The time:gmTime operator takes string or dateTime and returns current time formatted according to the subject.
Methods inherited from ResourceOperator
#as_literal, #execute, #input_operand, #valid?
Methods included from Builtin
#each, #evaluate, #hash, #input_operand, #rank, #to_uri
Instance Method Details
#resolve(resource, position:) ⇒ RDF::Term
The time:gmTime operator takes string or dateTime and returns current time formatted according to the subject.
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# File 'lib/rdf/n3/algebra/time/gm_time.rb', line 17 def resolve(resource, position:) case position when :subject return nil unless resource.literal? resource = "%FT%T%:z" if resource.to_s.empty? RDF::Literal(DateTime.now.new_offset(0).strftime(resource.to_s)) when :object return nil unless resource.literal? || resource.variable? resource end end |